1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de1b06b9a9eb6a355733ce51e43f795e089bb3b8ff9c9a9327f6bb158ac236e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6985b1a0-c0c2-4a87-92b0-79ca0a9affd6.json and https://artists.proofprofile.net/proofs/artist/6985b1a0-c0c2-4a87-92b0-79ca0a9affd6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x637a56f9092ae4100ee1ee6ccb14b5c11737de3b8a17bf4b1d4d014f30e3a46e. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1103544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343d1bde6c2284cc51686d0b466cfaaf18e101dd3272c7642aa677e221188940. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1103607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571e36d059cb714a6982307587f148128051b1cc4f0c3de6d1114dda97929f4b. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-17T00:26:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1103786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c3fee8407425c03c3d5fb07773497f2ebfd5ad5774c51949696cd34c7f9586. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:05:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdaab510056dee98c2cfdf67fc9db503f0937a4c9a33c0e39946e10674f4cfca. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ebf70fccea3b6af117cb870fe354998486b0e6e2fe9c08d5f1225db84505f2d. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdaab510056dee98c2cfdf67fc9db503f0937a4c9a33c0e39946e10674f4cfca. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb57edee64c5256e8c0bbbe222b76a5cf9a08a8843f00c8bfe224cc786d5ef320. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bde122b379147106f47d0cd581708416b69848ceaec31b9406ff78b32452218. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87290a53797c0f18ed6044b3f48d5828a23ada8702fef5037a8f0f69dbf26252. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cab691ecbdf08e5635e5d1b2a48346792583f01cf1330d0ab4e1367354ec7c1. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1104959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbea932ef06e822d391eb6851c1e92b98ee68c06588716b8d43f38a28ea05be5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1105105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de9f2b5a8e3e023792fab616f4ee18ebb0bb0572a9e9253671e7e3c53abfbd4. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:08:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1105169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131629c85460c18fb69a2c0a27cdfd7a7109fa8114dfacb04b85baee74ae8265. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1105322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9de9f2b5a8e3e023792fab616f4ee18ebb0bb0572a9e9253671e7e3c53abfbd4. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1105169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9370977267021004ac5dec9a75d0871291a9076ef640140764bb77e481bd967c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMSAV1105499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6df27f4824d8cb4ec05b3bac8b8eda3dd1e7a99080465b8895a82c3c309fc5f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe809f8b32c8c3666f2e9666e9fa3949bb04136412d9227c54b390d2e3d54cf63. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a1c5e77c50f4fea2181b662438c51d46cdc20961fe9de3635058f60826c5cc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x647467dd74719a33195995d0c30d3bd7513f5bac5f00981e6b2817ef693549cd. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa423eef10fee36a42fb907e72471d7ed267dfffe9e85a21a85ae5555a43fd24f. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb14dc9429e7398b6649a98634fb4f07406f4edb5d0f2878c3ad93db71634b6c. Chain 2 (Bitcoin): anchored in block 957835 (2026-07-13T09:48:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6df27f4824d8cb4ec05b3bac8b8eda3dd1e7a99080465b8895a82c3c309fc5f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x647467dd74719a33195995d0c30d3bd7513f5bac5f00981e6b2817ef693549cd. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbe9f593d9f4d3b46b3e18dd827419dd746e2667a236174943ef723da43cd8a. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:20:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJB2463922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60ad38f3fe513a93ff05e8776221c37299a15ee1b18bf95a095cc5335755f6d8. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:16:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJE2579335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2620756183d414d4f461ea19e1bb3b19f7d7fee47766a58f22d5beba9e2c4341. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:11:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJE2579220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbe42dfb5f0d9ce7990588639f3b2f480ab814026dcf36069bf22bf074753da. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJE2579257.
Me Estás Pisando El Corazón Y Traes Tacones